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72b9787e JB |
1 | ;***************************************************************************** |
2 | ;* Copyright (C) 2013 x265 project | |
3 | ;* | |
4 | ;* Authors: Min Chen <chenm001@163.com> | |
5 | ;* Praveen Kumar Tiwari <praveen@multicorewareinc.com> | |
6 | ;* Nabajit Deka <nabajit@multicorewareinc.com> | |
7 | ;* Dnyaneshwar Gorade <dnyaneshwar@multicorewareinc.com> | |
8 | ;* Murugan Vairavel <murugan@multicorewareinc.com> | |
9 | ;* Yuvaraj Venkatesh <yuvaraj@multicorewareinc.com> | |
10 | ;* This program is free software; you can redistribute it and/or modify | |
11 | ;* it under the terms of the GNU General Public License as published by | |
12 | ;* the Free Software Foundation; either version 2 of the License, or | |
13 | ;* (at your option) any later version. | |
14 | ;* | |
15 | ;* This program is distributed in the hope that it will be useful, | |
16 | ;* but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | ;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | ;* GNU General Public License for more details. | |
19 | ;* | |
20 | ;* You should have received a copy of the GNU General Public License | |
21 | ;* along with this program; if not, write to the Free Software | |
22 | ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA. | |
23 | ;* | |
24 | ;* This program is also available under a commercial proprietary license. | |
25 | ;* For more information, contact us at license @ x265.com. | |
26 | ;*****************************************************************************/ | |
27 | ||
28 | %include "x86inc.asm" | |
29 | ||
30 | SECTION_RODATA 32 | |
31 | ||
32 | pw_2: times 16 db 2 | |
33 | ||
34 | SECTION .text | |
35 | ||
36 | ;============================================================================================================ | |
37 | ; void saoCuOrgE0(pixel * rec, int8_t * offsetEo, int lcuWidth, int8_t signLeft) | |
38 | ;============================================================================================================ | |
39 | INIT_XMM sse4 | |
40 | cglobal saoCuOrgE0, 4, 4, 8, rec, offsetEo, lcuWidth, signLeft | |
41 | ||
42 | neg r3 ; r3 = -iSignLeft | |
43 | movd m0, r3d | |
44 | pslldq m0, 15 ; m0 = [iSignLeft x .. x] | |
45 | pcmpeqb m4, m4 ; m4 = [pb -1] | |
46 | pxor m5, m5 ; m5 = 0 | |
47 | movh m6, [r1] ; m6 = m_offsetEo | |
48 | ||
49 | .loop: | |
50 | movu m7, [r0] ; m1 = pRec[x] | |
51 | mova m1, m7 | |
52 | movu m2, [r0+1] ; m2 = pRec[x+1] | |
53 | ||
54 | psubusb m3, m2, m7 | |
55 | psubusb m1, m2 | |
56 | pcmpeqb m3, m5 | |
57 | pcmpeqb m1, m5 | |
58 | pcmpeqb m2, m7 | |
59 | ||
60 | pabsb m3, m3 ; m1 = (pRec[x] - pRec[x+1]) > 0) ? 1 : 0 | |
61 | por m1, m3 ; m1 = iSignRight | |
62 | pandn m2, m1 | |
63 | ||
64 | palignr m3, m2, m0, 15 ; m3 = -iSignLeft | |
65 | psignb m3, m4 ; m3 = iSignLeft | |
66 | mova m0, m4 | |
67 | pslldq m0, 15 | |
68 | pand m0, m2 ; [pb 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-1] | |
69 | paddb m2, m3 | |
70 | paddb m2, [pw_2] ; m1 = uiEdgeType | |
71 | pshufb m3, m6, m2 | |
72 | pmovzxbw m2, m7 ; rec | |
73 | punpckhbw m7, m5 | |
74 | pmovsxbw m1, m3 ; iOffsetEo | |
75 | punpckhbw m3, m3 | |
76 | psraw m3, 8 | |
77 | paddw m2, m1 | |
78 | paddw m7, m3 | |
79 | packuswb m2, m7 | |
80 | movu [r0], m2 | |
81 | ||
82 | add r0q, 16 | |
83 | sub r2d, 16 | |
84 | jnz .loop | |
85 | RET |